Move |ScopedWebInputEvent| and |WebInputEventTraits| from |content::| to "ui/events/blink"

content/common/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
 import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
@@ skipping 68 matching lines @@
     "//storage/common",
     "//third_party/WebKit/public:blink_minimal",
     "//third_party/boringssl",
     "//third_party/icu",
     "//third_party/libjingle",
     "//third_party/webrtc/base:rtc_base",
     "//ui/accessibility",
     "//ui/base",
     "//ui/base/ime",
     "//ui/display",
+    "//ui/events/blink",
     "//ui/events/ipc",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gfx/ipc",
     "//ui/gfx/ipc/color",
     "//ui/gfx/ipc/geometry",
     "//ui/gfx/ipc/skia",
     "//ui/gl",
     "//ui/shell_dialogs",
     "//url",
@@ skipping 161 matching lines @@
     "//url/mojo:url_mojom_gurl",
     "//url/mojo:url_mojom_origin",
   ]
 
   use_new_wrapper_types = false
 
   export_class_attribute = "CONTENT_EXPORT"
   export_define = "CONTENT_IMPLEMENTATION=1"
   export_header = "content/common/content_export.h"
 }